From 554d798ae29548d7fbae2aa2b32a780a7381556d Mon Sep 17 00:00:00 2001
From: ValueOn AG <p.motsch@poweron.swiss>
Date: Sun, 24 May 2026 08:15:06 +0200
Subject: [PATCH] dbsync

---
 src/pages/admin/AdminDatabaseHealthPage.tsx | 81 +++++++++++----------
 1 file changed, 44 insertions(+), 37 deletions(-)

diff --git a/src/pages/admin/AdminDatabaseHealthPage.tsx b/src/pages/admin/AdminDatabaseHealthPage.tsx
index 6c8d304..d7f7347 100644
--- a/src/pages/admin/AdminDatabaseHealthPage.tsx
+++ b/src/pages/admin/AdminDatabaseHealthPage.tsx
@@ -841,10 +841,11 @@ const MigrationTab: React.FC = () => {
 
     _addExportLog(t('Export gestartet: {count} Datenbanken', { count: totalDbs }));
 
-    const exportData: Record<string, any> = {};
+    const rawChunks: string[] = [];
     let totalTables = 0;
     let totalRecords = 0;
     let errors = 0;
+    let exportedCount = 0;
 
     for (let i = 0; i < dbList.length; i++) {
       const dbName = dbList[i];
@@ -852,14 +853,17 @@ const MigrationTab: React.FC = () => {
       try {
         const res = await api.get('/api/admin/database-health/migration/export-single', {
           params: { database: dbName },
+          responseType: 'text',
         });
-        const dbPayload = res.data.data;
-        exportData[dbName] = dbPayload;
-        totalTables += dbPayload.tableCount || 0;
-        totalRecords += dbPayload.totalRecords || 0;
+        const parsed = JSON.parse(res.data);
+        const dbData = parsed.data;
+        totalTables += dbData?.tableCount || 0;
+        totalRecords += dbData?.totalRecords || 0;
+        rawChunks.push(`${JSON.stringify(dbName)}:${JSON.stringify(dbData)}`);
+        exportedCount++;
         _addExportLog(
           t('{db}: {tables} Tabellen, {records} Datensaetze', {
-            db: dbName, tables: dbPayload.tableCount || 0, records: dbPayload.totalRecords || 0,
+            db: dbName, tables: dbData?.tableCount || 0, records: dbData?.totalRecords || 0,
           }),
           'success',
         );
@@ -873,7 +877,7 @@ const MigrationTab: React.FC = () => {
       }
     }
 
-    if (Object.keys(exportData).length === 0) {
+    if (exportedCount === 0) {
       _addExportLog(t('Export abgebrochen: keine Daten exportiert'), 'error');
       toast.showError(t('Export fehlgeschlagen'));
       setExporting(false);
@@ -883,45 +887,48 @@ const MigrationTab: React.FC = () => {
     _addExportLog(t('Erstelle Exportdatei...'));
     await new Promise(r => setTimeout(r, 0));
 
-    const fullPayload = {
-      meta: {
+    try {
+      const meta = JSON.stringify({
         exportedAt: new Date().toISOString(),
         version: '1.0',
-        databaseCount: Object.keys(exportData).length,
+        databaseCount: exportedCount,
         totalTables,
         totalRecords,
-      },
-      databases: exportData,
-    };
+      });
+      const jsonStr = `{"meta":${meta},"databases":{${rawChunks.join(',')}}}`;
 
-    const ts = new Date().toISOString().replace(/:/g, '-').slice(0, 19);
-    const scope = isFullExport ? 'full' : 'partial';
-    const filename = `db_backup_${instanceLabel}_${scope}_${ts}.json`;
+      const ts = new Date().toISOString().replace(/:/g, '-').slice(0, 19);
+      const scope = isFullExport ? 'full' : 'partial';
+      const filename = `db_backup_${instanceLabel}_${scope}_${ts}.json`;
 
-    const jsonStr = JSON.stringify(fullPayload);
-    const blob = new Blob([jsonStr], { type: 'application/json' });
-    const url = URL.createObjectURL(blob);
-    const a = document.createElement('a');
-    a.href = url;
-    a.download = filename;
-    document.body.appendChild(a);
-    a.click();
-    document.body.removeChild(a);
-    URL.revokeObjectURL(url);
+      const blob = new Blob([jsonStr], { type: 'application/json' });
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = filename;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      URL.revokeObjectURL(url);
 
-    _addExportLog(
-      t('Export abgeschlossen: {dbs} Datenbanken, {tables} Tabellen, {records} Datensaetze', {
-        dbs: Object.keys(exportData).length, tables: totalTables, records: totalRecords,
-      }),
-      'success',
-    );
+      _addExportLog(
+        t('Export abgeschlossen: {dbs} Datenbanken, {tables} Tabellen, {records} Datensaetze', {
+          dbs: exportedCount, tables: totalTables, records: totalRecords,
+        }),
+        'success',
+      );
 
-    if (errors > 0) {
-      toast.showWarning(t('Export mit {count} Fehlern abgeschlossen', { count: errors }));
-    } else {
-      toast.showSuccess(t('Export erfolgreich'));
+      if (errors > 0) {
+        toast.showWarning(t('Export mit {count} Fehlern abgeschlossen', { count: errors }));
+      } else {
+        toast.showSuccess(t('Export erfolgreich'));
+      }
+    } catch (err: any) {
+      _addExportLog(t('Fehler beim Erstellen der Exportdatei: {error}', { error: String(err) }), 'error');
+      toast.showError(t('Export fehlgeschlagen'));
+    } finally {
+      setExporting(false);
     }
-    setExporting(false);
   };
 
   // --- Restore: File upload ---